From f47eb69a354188154731846dde8b384c2c2f39f6 Mon Sep 17 00:00:00 2001 From: David Thompson Date: Sat, 28 Jun 2014 18:46:16 -0400 Subject: Rename guile-2d to Sly! Massive find/replace job. --- sly/event.scm | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 sly/event.scm (limited to 'sly/event.scm') diff --git a/sly/event.scm b/sly/event.scm new file mode 100644 index 0000000..c5e57cb --- /dev/null +++ b/sly/event.scm @@ -0,0 +1,45 @@ +;;; Sly +;;; Copyright (C) 2013, 2014 David Thompson +;;; +;;; This program is free software: you can redistribute it and/or +;;; modify it under the terms of the GNU General Public License as +;;; published by the Free Software Foundation, either version 3 of the +;;; License, or (at your option) any later version. +;;; +;;; This program is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +;;; General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with this program. If not, see +;;; . + +;;; Commentary: +;; +;; SDL event handlers. +;; +;;; Code: + +(define-module (sly event) + #:use-module ((sdl sdl) #:prefix SDL:) + #:export (process-events + register-event-handler)) + +(define process-events + (let ((e (SDL:make-event))) + (lambda () + "Process all events in the input event queue." + (while (SDL:poll-event e) + (handle-event e))))) + +(define event-handlers (make-hash-table)) + +(define (register-event-handler event-type proc) + (hashq-set! event-handlers event-type proc)) + +(define (handle-event e) + "Run the relevant hook for the event E." + (let ((handle (hashq-get-handle event-handlers (SDL:event:type e)))) + (when handle + ((cdr handle) e)))) -- cgit v1.2.3